I have a Lenovo laptop that has 3 USB connectors on the side. one is marked on the case with just the USB symbol, and the other two have a SS-USB symbol by them. I can see the extra contacts that are ...

If you've ever looked closely at the USB ports on your computer, motherboard, or docking station, you might've noticed they're not all the same color. Black, blue, teal... and sometimes, bright red.